alopresto commented on a change in pull request #4125: NIFI-7153 Adds 
ContentLengthFilter and DoSFilter
URL: https://github.com/apache/nifi/pull/4125#discussion_r390685093
 
 

 ##########
 File path: 
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-jetty/src/main/java/org/apache/nifi/web/server/JettyServer.java
 ##########
 @@ -607,6 +612,25 @@ private WebAppContext loadWar(final File warFile, final 
String contextPath, fina
         return webappContext;
     }
 
+    private void addContentLengthFilter(String contextPath, String pathSpec, 
WebAppContext webappContext) {
+        final FilterHolder holder = new 
FilterHolder(ContentLengthFilter.class);
+        final Map<String, String> largePaths = 
props.getWebMaxContentSizeLargePaths();
+        int size;
+
+        if (!largePaths.containsValue(contextPath)) {
+            size = DataUnit.parseDataSize(props.getWebMaxContentSize(), 
DataUnit.B).intValue();
 
 Review comment:
   What happens if the max content size is not parseable as a data unit? In the 
unit tests, these properties accepted "size value" and "large size value" 
without complaint, so I don't believe there's any internal validation 
occurring. 

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